Billy: 11
Dustin: 6
Eleven(El or Jane): 5 and a half
Holly: 6 months
Hopper: 26
Johnathan: 10 3/4 (so close!)
Joyce Byers: 26
Lucas: 6 1/2
Max: 6 1/2
Mike: 6
Nancy: 11
Steve: 11
Troy: 6 1/2
Will: 5 1/2

Apologies for the lack of age diversity, but most of them are the same age as one another anyway, so...

Things will work a bit similar to the show, but maybe not what happened to Eleven at the end of Season 1, because that made me cry 😭

Partially based off of a oneshot written by @CaroTheFanOfStuff

Strangely yours,

-RunawaySpider